These are the steps I followed and it worked fine:
In the Kinetis Design Studio, right click on your project drivers folder.
Choose Import and from there General -> File System.
Browse for the Folder where the drivers are located for your architecture.
Select the .c and .h files for the driver you require.
In advanced options choose "Create links in workspace".
Click Next, and that's it!
These are the steps I followed and it worked fine:
In the Kinetis Design Studio, right click on your project drivers folder.
Choose Import and from there General -> File System.
Browse for the Folder where the drivers are located for your architecture.
Select the .c and .h files for the driver you require.
In advanced options choose "Create links in workspace".
Click Next, and that's it!